Message in Chinese (Simplified) (中文(简体))
        不能将空对象转换为值类型“<var>Type Name</var>”。
Unlocalized message
        Null object cannot be converted to value type "<var>Type Name</var>".
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不能将空对象转换为值类型“<var>Type Name</var>”。

Null object cannot be converted to value type "<var>Type Name</var>".
Search by Google